mirror of
https://github.com/golang/go
synced 2024-11-18 21:34:46 -07:00
1110222bee
Change-Id: I49f8c764d49cabaad4d6859c219ba7220a389c1f Reviewed-on: https://go-review.googlesource.com/c/go/+/427140 Run-TryBot: xie cui <523516579@qq.com> Reviewed-by: Ian Lance Taylor <iant@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Ian Lance Taylor <iant@google.com> Auto-Submit: Ian Lance Taylor <iant@google.com> Reviewed-by: Michael Knyszek <mknyszek@google.com>
54 lines
1.6 KiB
Go
54 lines
1.6 KiB
Go
// +build !nacl,!386,!wasm,!arm,!gcflags_noopt
|
|
// errorcheck -0 -m
|
|
|
|
// Copyright 2019 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// Test, using compiler diagnostic flags, that inlining of functions
|
|
// imported from the sync package is working.
|
|
// Compiles but does not run.
|
|
|
|
// FIXME: This test is disabled on architectures where atomic operations
|
|
// are function calls rather than intrinsics, since this prevents inlining
|
|
// of the sync fast paths. This test should be re-enabled once the problem
|
|
// is solved.
|
|
|
|
package foo
|
|
|
|
import (
|
|
"sync"
|
|
)
|
|
|
|
var mutex *sync.Mutex
|
|
|
|
func small5() { // ERROR "can inline small5"
|
|
// the Unlock fast path should be inlined
|
|
mutex.Unlock() // ERROR "inlining call to sync\.\(\*Mutex\)\.Unlock"
|
|
}
|
|
|
|
func small6() { // ERROR "can inline small6"
|
|
// the Lock fast path should be inlined
|
|
mutex.Lock() // ERROR "inlining call to sync\.\(\*Mutex\)\.Lock"
|
|
}
|
|
|
|
var once *sync.Once
|
|
|
|
func small7() { // ERROR "can inline small7"
|
|
// the Do fast path should be inlined
|
|
once.Do(small5) // ERROR "(inlining call to sync\.\(\*Once\)\.Do|inlining call to atomic\.\(\*Bool\)\.Load)"
|
|
}
|
|
|
|
var rwmutex *sync.RWMutex
|
|
|
|
func small8() { // ERROR "can inline small8"
|
|
// the RUnlock fast path should be inlined
|
|
rwmutex.RUnlock() // ERROR "inlining call to sync\.\(\*RWMutex\)\.RUnlock"
|
|
}
|
|
|
|
func small9() { // ERROR "can inline small9"
|
|
// the RLock fast path should be inlined
|
|
rwmutex.RLock() // ERROR "inlining call to sync\.\(\*RWMutex\)\.RLock"
|
|
}
|
|
|